3201515

Information

• Patent Grant
• 3201515

• References
• Source

• Patent Number

  3,201,515

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1965
  59 years ago

• CPC

  • H04L9/12 - Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
  • G09C3/10 - involving removable or interchangeable coding members
  • H04L2209/12 - Details relating to cryptographic hardware or logic circuitry

• US Classifications

  • 380 - Cryptography
  • 178 - Telegraphy
  • 370 - Multiplex communications
  • 375 - Pulse or digital communications
  • 400 - Typewriting machines